How to use shouldSetTextContent method in Playwright Internal

Best JavaScript code snippet using playwright-internal

old.js

Source:old.js Github

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...65 let hostDiffCounter = 0;66 let hostUpdateCounter = 0;67 let hostCloneCounter = 0;68 const __DEV__ = false;69 function shouldSetTextContent(type: string, props: Props): boolean {70 if (type === 'errorInBeginPhase') {71 throw new Error('Error in host config.');72 }73 return (74 typeof props.children === 'string' || typeof props.children === 'number'75 );76 }77 function computeText(rawText, hostContext) {78 return hostContext === UPPERCASE_CONTEXT ? rawText.toUpperCase() : rawText;79 }80 function appendChildToContainerOrInstance(81 parentInstance: Container | Instance,82 child: Instance | TextInstance,83 ): void {84 const index = parentInstance.children.indexOf(child);85 if (index !== -1) {86 parentInstance.children.splice(index, 1);87 }88 parentInstance.children.push(child);89 }90 function appendChildToContainer(91 parentInstance: Container,92 child: Instance | TextInstance,93 ): void {94 if (typeof parentInstance.rootID !== 'string') {95 // Some calls to this aren't typesafe.96 // This helps surface mistakes in tests.97 throw new Error(98 'appendChildToContainer() first argument is not a container.',99 );100 }101 appendChildToContainerOrInstance(parentInstance, child);102 }103 function appendChild(104 parentInstance: Instance,105 child: Instance | TextInstance,106 ): void {107 if (typeof (parentInstance: any).rootID === 'string') {108 // Some calls to this aren't typesafe.109 // This helps surface mistakes in tests.110 throw new Error('appendChild() first argument is not an instance.');111 }112 appendChildToContainerOrInstance(parentInstance, child);113 }114 function insertInContainerOrInstanceBefore(115 parentInstance: Container | Instance,116 child: Instance | TextInstance,117 beforeChild: Instance | TextInstance,118 ): void {119 const index = parentInstance.children.indexOf(child);120 if (index !== -1) {121 parentInstance.children.splice(index, 1);122 }123 const beforeIndex = parentInstance.children.indexOf(beforeChild);124 if (beforeIndex === -1) {125 throw new Error('This child does not exist.');126 }127 parentInstance.children.splice(beforeIndex, 0, child);128 }129 function insertInContainerBefore(130 parentInstance: Container,131 child: Instance | TextInstance,132 beforeChild: Instance | TextInstance,133 ) {134 if (typeof parentInstance.rootID !== 'string') {135 // Some calls to this aren't typesafe.136 // This helps surface mistakes in tests.137 throw new Error(138 'insertInContainerBefore() first argument is not a container.',139 );140 }141 insertInContainerOrInstanceBefore(parentInstance, child, beforeChild);142 }143 function insertBefore(144 parentInstance: Instance,145 child: Instance | TextInstance,146 beforeChild: Instance | TextInstance,147 ) {148 if (typeof (parentInstance: any).rootID === 'string') {149 // Some calls to this aren't typesafe.150 // This helps surface mistakes in tests.151 throw new Error('insertBefore() first argument is not an instance.');152 }153 insertInContainerOrInstanceBefore(parentInstance, child, beforeChild);154 }155 function removeChildFromContainerOrInstance(156 parentInstance: Container | Instance,157 child: Instance | TextInstance,158 ): void {159 const index = parentInstance.children.indexOf(child);160 if (index === -1) {161 throw new Error('This child does not exist.');162 }163 parentInstance.children.splice(index, 1);164 }165 function removeChildFromContainer(166 parentInstance: Container,167 child: Instance | TextInstance,168 ): void {169 if (typeof parentInstance.rootID !== 'string') {170 // Some calls to this aren't typesafe.171 // This helps surface mistakes in tests.172 throw new Error(173 'removeChildFromContainer() first argument is not a container.',174 );175 }176 removeChildFromContainerOrInstance(parentInstance, child);177 }178 function removeChild(179 parentInstance: Instance,180 child: Instance | TextInstance,181 ): void {182 if (typeof (parentInstance: any).rootID === 'string') {183 // Some calls to this aren't typesafe.184 // This helps surface mistakes in tests.185 throw new Error('removeChild() first argument is not an instance.');186 }187 removeChildFromContainerOrInstance(parentInstance, child);188 }189 function cloneInstance(190 instance: Instance,191 updatePayload: null | Object,192 type: string,193 oldProps: Props,194 newProps: Props,195 internalInstanceHandle: Object,196 keepChildren: boolean,197 recyclableInstance: null | Instance,198 ): Instance {199 const clone = {200 id: instance.id,201 type: type,202 children: keepChildren ? instance.children : [],203 text: shouldSetTextContent(type, newProps)204 ? computeText((newProps.children: any) + '', instance.context)205 : null,206 prop: newProps.prop,207 hidden: newProps.hidden === true,208 context: instance.context,209 };210 Object.defineProperty(clone, 'id', {211 value: clone.id,212 enumerable: false,213 });214 Object.defineProperty(clone, 'text', {215 value: clone.text,216 enumerable: false,217 });218 Object.defineProperty(clone, 'context', {219 value: clone.context,220 enumerable: false,221 });222 hostCloneCounter++;223 return clone;224 }225const CustomRenderer = Reconciler({226 getRootHostContext() {227 return NO_CONTEXT;228 },229 getChildHostContext(230 parentHostContext: HostContext,231 type: string,232 rootcontainerInstance: Container,233 ) {234 if (type === 'uppercase') {235 return UPPERCASE_CONTEXT;236 }237 return NO_CONTEXT;238 },239 getChildHostContextForEventComponent(parentHostContext: HostContext) {240 if (__DEV__ && enableEventAPI) {241 warning(242 parentHostContext !== EVENT_TARGET_CONTEXT &&243 parentHostContext !== EVENT_TOUCH_HIT_TARGET_CONTEXT,244 'validateDOMNesting: React event targets must not have event components as children.',245 );246 return EVENT_COMPONENT_CONTEXT;247 }248 return parentHostContext;249 },250 getChildHostContextForEventTarget(251 parentHostContext: HostContext,252 type: Symbol | number,253 ) {254 if (__DEV__ && enableEventAPI) {255 if (type === REACT_EVENT_TARGET_TOUCH_HIT) {256 warning(257 parentHostContext !== EVENT_COMPONENT_CONTEXT,258 'validateDOMNesting: <TouchHitTarget> cannot not be a direct child of an event component. ' +259 'Ensure <TouchHitTarget> is a direct child of a DOM element.',260 );261 return EVENT_TOUCH_HIT_TARGET_CONTEXT;262 }263 return EVENT_TARGET_CONTEXT;264 }265 return parentHostContext;266 },267 getPublicInstance(instance) {268 return instance;269 },270 createInstance(271 type: string,272 props: Props,273 rootContainerInstance: Container,274 hostContext: HostContext,275 ): Instance {276 if (type === 'errorInCompletePhase') {277 throw new Error('Error in host config.');278 }279 const inst = {280 id: instanceCounter++,281 type: type,282 children: [],283 text: shouldSetTextContent(type, props)284 ? computeText((props.children: any) + '', hostContext)285 : null,286 prop: props.prop,287 hidden: props.hidden === true,288 context: hostContext,289 };290 // Hide from unit tests291 Object.defineProperty(inst, 'id', {value: inst.id, enumerable: false});292 Object.defineProperty(inst, 'text', {293 value: inst.text,294 enumerable: false,295 });296 Object.defineProperty(inst, 'context', {297 value: inst.context,298 enumerable: false,299 });300 return inst;301 },302 appendInitialChild(303 parentInstance: Instance,304 child: Instance | TextInstance,305 ): void {306 parentInstance.children.push(child);307 },308 finalizeInitialChildren(309 domElement: Instance,310 type: string,311 props: Props,312 ): boolean {313 return false;314 },315 prepareUpdate(316 instance: Instance,317 type: string,318 oldProps: Props,319 newProps: Props,320 ): null | {} {321 if (type === 'errorInCompletePhase') {322 throw new Error('Error in host config.');323 }324 if (oldProps === null) {325 throw new Error('Should have old props');326 }327 if (newProps === null) {328 throw new Error('Should have new props');329 }330 hostDiffCounter++;331 return UPDATE_SIGNAL;332 },333 shouldSetTextContent,334 shouldDeprioritizeSubtree(type: string, props: Props): boolean {335 return !!props.hidden;336 },337 createTextInstance(338 text: string,339 rootContainerInstance: Container,340 hostContext: Object,341 internalInstanceHandle: Object,342 ): TextInstance {343 if (__DEV__ && enableEventAPI) {344 warning(345 hostContext !== EVENT_COMPONENT_CONTEXT,346 'validateDOMNesting: React event components cannot have text DOM nodes as children. ' +347 'Wrap the child text "%s" in an element.',348 text,349 );350 }351 if (hostContext === UPPERCASE_CONTEXT) {352 text = text.toUpperCase();353 }354 const inst = {355 text: text,356 id: instanceCounter++,357 hidden: false,358 context: hostContext,359 };360 // Hide from unit tests361 Object.defineProperty(inst, 'id', {value: inst.id, enumerable: false});362 Object.defineProperty(inst, 'context', {363 value: inst.context,364 enumerable: false,365 });366 return inst;367 },368 scheduleTimeout: setTimeout,369 cancelTimeout: clearTimeout,370 noTimeout: -1,371 prepareForCommit(): void {},372 resetAfterCommit(): void {},373 now: Scheduler.unstable_now,374 isPrimaryRenderer: true,375 supportsHydration: false,376 mountEventComponent(): void {377 // NO-OP378 },379 shouldYield(){380 return false;381 },382 updateEventComponent(): void {383 // NO-OP384 },385 unmountEventComponent(): void {386 // NO-OP387 },388 scheduleDeferredCallback(callback, settings){389 console.log('scheduling!', callback, settings)390 callback()391 },392 getEventTargetChildElement(393 type: Symbol | number,394 props: Props,395 ): null | EventTargetChildElement {396 if (enableEventAPI) {397 if (type === REACT_EVENT_TARGET_TOUCH_HIT) {398 const {bottom, left, right, top} = props;399 if (!bottom && !left && !right && !top) {400 return null;401 }402 return {403 type: 'div',404 props: {405 style: {406 position: 'absolute',407 zIndex: -1,408 bottom: bottom ? `-${bottom}px` : '0px',409 left: left ? `-${left}px` : '0px',410 right: right ? `-${right}px` : '0px',411 top: top ? `-${top}px` : '0px',412 },413 },414 };415 }416 }417 return null;418 },419 handleEventTarget(420 type: Symbol | number,421 props: Props,422 rootContainerInstance: Container,423 internalInstanceHandle: Object,424 ): boolean {425 return false;426 },427 commitEventTarget(428 type: Symbol | number,429 props: Props,430 instance: Instance,431 parentInstance: Instance,432 ): void {433 // NO-OP434 },435 supportsMutation: true,436 supportsPersistence: false,437 commitMount(instance: Instance, type: string, newProps: Props): void {438 // Noop439 },440 commitUpdate(441 instance: Instance,442 updatePayload: Object,443 type: string,444 oldProps: Props,445 newProps: Props,446 ): void {447 if (oldProps === null) {448 throw new Error('Should have old props');449 }450 hostUpdateCounter++;451 instance.prop = newProps.prop;452 instance.hidden = newProps.hidden === true;453 if (shouldSetTextContent(type, newProps)) {454 instance.text = computeText(455 (newProps.children: any) + '',456 instance.context,457 );458 }459 },460 commitTextUpdate(461 textInstance: TextInstance,462 oldText: string,463 newText: string,464 ): void {465 hostUpdateCounter++;466 textInstance.text = computeText(newText, textInstance.context);467 },468 appendChild,469 appendChildToContainer,470 insertBefore,471 insertInContainerBefore,472 removeChild,473 removeChildFromContainer,474 hideInstance(instance: Instance): void {475 instance.hidden = true;476 },477 hideTextInstance(textInstance: TextInstance): void {478 textInstance.hidden = true;479 },480 unhideInstance(instance: Instance, props: Props): void {481 if (!props.hidden) {482 instance.hidden = false;483 }484 },485 unhideTextInstance(textInstance: TextInstance, text: string): void {486 textInstance.hidden = false;487 },488 resetTextContent(instance: Instance): void {489 instance.text = null;490 },491 492 supportsMutation: false,493 supportsPersistence: true,494 cloneInstance,495 createContainerChildSet(496 container: Container,497 ): Array<Instance | TextInstance> {498 return [];499 },500 appendChildToContainerChildSet(501 childSet: Array<Instance | TextInstance>,502 child: Instance | TextInstance,503 ): void {504 childSet.push(child);505 },506 finalizeContainerChildren(507 container: Container,508 newChildren: Array<Instance | TextInstance>,509 ): void {510 container.pendingChildren = newChildren;511 },512 replaceContainerChildren(513 container: Container,514 newChildren: Array<Instance | TextInstance>,515 ): void {516 console.log(container)517 container.children = newChildren;518 },519 cloneHiddenInstance(520 instance: Instance,521 type: string,522 props: Props,523 internalInstanceHandle: Object,524 ): Instance {525 const clone = cloneInstance(526 instance,527 null,528 type,529 props,530 props,531 internalInstanceHandle,532 true,533 null,534 );535 clone.hidden = true;536 return clone;537 },538 cloneHiddenTextInstance(539 instance: TextInstance,540 text: string,541 internalInstanceHandle: Object,542 ): TextInstance {543 const clone = {544 text: instance.text,545 id: instanceCounter++,546 hidden: true,547 context: instance.context,548 };549 // Hide from unit tests550 Object.defineProperty(clone, 'id', {551 value: clone.id,552 enumerable: false,553 });554 Object.defineProperty(clone, 'context', {555 value: clone.context,556 enumerable: false,557 });558 return clone;559 },560 // appendInitialChild(parentInstance, child) {561 // // if (parentInstance.appendChild) {562 // // parentInstance.appendChild(child);563 // // } else {564 // // parentInstance.document = child;565 // // }566 // console.log('append initial', parentInstance)567 // parentInstance.children.push(child);568 // },569 // appendChild(parent, stateNode){570 // console.log('append child', parent, stateNode)571 // },572 // appendChildToContainer(parentInstance, child) {573 // console.log('appen dchild to container')574 // parentInstance.stuff.push(child);575 // },576 // createInstance(type, props, internalInstanceHandle) {577 // console.log('create instance')578 // return createElement(type, props, internalInstanceHandle);579 // },580 // createTextInstance(text, rootContainerInstance, internalInstanceHandle) {581 // console.log('create text', text, rootContainerInstance, internalInstanceHandle)582 // // return text;583 // },584 // finalizeInitialChildren(wordElement, type, props) {585 // console.log('finalize children')586 // return false;587 // },588 // getPublicInstance(inst) {589 // console.log('get public instance', inst)590 // return inst;591 // },592 // prepareForCommit() {593 // console.log('prepare for commit')594 // // noop595 // },596 // commitUpdate(){597 // console.log('commit updates')598 // },599 // prepareUpdate(wordElement, type, oldProps, newProps) {600 // console.log('prepareUpdate', wordElement)601 // return true;602 // },603 // resetAfterCommit() {604 // console.log('reset after commit')605 // // noop606 // },607 // resetTextContent(wordElement) {608 // // noop609 // console.log('reset text', wordElement)610 // },611 // getRootHostContext(rootInstance) {612 // console.log('get root host', rootInstance)613 // // You can use this 'rootInstance' to pass data from the roots.614 // },615 // getChildHostContext() {616 // return emptyObject;617 // },618 // shouldSetTextContent(type, props) {619 // console.log('should set', type, props)620 // return false;621 // },622 // clearTimeout(handle){623 // console.log('clearTimeout', handle)624 // },625 // isPrimaryRenderer: false,626 // now: () => {},627 // supportsMutation: false,628})629function render(element, filePath) {630 // const container = createElement('ROOT');631 const node = CustomRenderer.createContainer(filePath);632 console.log('react root', node)...

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ReactPixiFiber.js

Source:ReactPixiFiber.js Github

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...121}122export function scheduleTimeout(fn, delay) {123 setTimeout(fn, delay);124}125export function shouldSetTextContent(type, props) {126 return false;127}128export function commitTextUpdate(textInstance, prevText, nextText) {129 // Noop130}131export function cancelTimeout(id) {132 clearTimeout(id);133}134export function clearContainer(container) {135 container.removeChildren();136}137export function commitMount(instance, type, props, internalHandle) {138 if (process.env.NODE_ENV === "development") {139 validatePropertiesInDevelopment(type, props, internalHandle);...

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renderer.js

Source:renderer.js Github

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1import Reconciler from 'react-reconciler'2import { createElement, updateElement } from './helpers.js'3const logRenderCalls = false4const getRootHostContext = (rootContainerInstance) => {5 if (logRenderCalls) log('getRootHostContext')6 return {}7}8const getChildHostContext = (9 parentHostContext,10 type,11 rootContainerInstance12) => {13 if (logRenderCalls) log('getChildHostContext')14 return parentHostContext15}16const getPublicInstance = (instance) => {17 if (logRenderCalls) log('getPublicInstance')18 return instance19}20const prepareForCommit = (containerInfo) => {21 // Noop22}23const resetAfterCommit = (containerInfo) => {24 // Noop25}26const createInstance = (27 type,28 props,29 rootContainerInstance,30 hostContext,31 internalInstanceHandle32) => {33 if (logRenderCalls) log('createInstance ' + type)34 return createElement(type, props)35}36const appendInitialChild = (parentInstance, child) => {37 if (logRenderCalls) log('appendInitialChild')38 if (parentInstance.name === 'Paragraph') {39 parentInstance.root.appendChild(child)40 } else {41 parentInstance.appendChild(child)42 }43}44const finalizeInitialChildren = (45 parentInstance,46 type,47 props,48 rootContainerInstance,49 hostContext50) => {51 if (logRenderCalls) log('finalizeInitialChildren')52 return false53}54const prepareUpdate = (55 instance,56 type,57 oldProps,58 newProps,59 rootContainerInstance,60 hostContext61) => {62 // Computes the diff for an instance. Fiber can reuse this work even if it63 // pauses or abort rendering a part of the tree.64 // log('prepareUpdate')65 return true66}67const shouldSetTextContent = (type, props) => {68 if (logRenderCalls) // log('shouldSetTextContent')69 return false70}71const shouldDeprioritizeSubtree = (type, props) => {72 if (logRenderCalls) log('shouldDeprioritizeSubtree')73 return false74}75const createTextInstance = (76 text,77 rootContainerInstance,78 hostContext,79 internalInstanceHandle80) => {81 if (logRenderCalls) log('createTextInstance: ' + text)82}83const scheduleTimeout = setTimeout84const cancelTimeout = clearTimeout85const noTimeout = 086const now = Date.now87const isPrimaryRenderer = true88const warnsIfNotActing = true89const supportsMutation = true90const appendChild = (parentInstance, child) => {91 if (logRenderCalls) log('appendChild')92 if (parentInstance.name == 'Paragraph') {93 parentInstance.root.appendChild(child)94 } else {95 parentInstance.appendChild(child)96 }97}98const appendChildToContainer = (parentInstance, child) => {99 if (logRenderCalls) log('appendChildToContainer')100 parentInstance.root = child101}102const commitTextUpdate = (textInstance, oldText, newText) => {103 if (logRenderCalls) log('commitTextUpdate')104 textInstance.text = newText105}106const commitMount = (instance, type, newProps, internalInstanceHandle) => {107 // Noop108}109const commitUpdate = (110 instance,111 updatePayload,112 type,113 oldProps,114 newProps,115 internalInstanceHandle116) => {117 if (logRenderCalls) log('commitUpdate')118 updateElement(instance, type, oldProps, newProps)119}120const insertBefore = (parentInstance, child, beforeChild) => {121 // TODO Move existing child or add new child?122 if (logRenderCalls) log('insertBeforeChild')123 log(parentInstance.name)124 parentInstance.insertBeforeChild(child, beforeChild)125}126const insertInContainerBefore = (parentInstance, child, beforeChild) => {127 if (logRenderCalls) log('Container does not support insertBefore operation')128}129const removeChild = (parentInstance, child) => {130 if (logRenderCalls) log('removeChild')131 parentInstance.removeChild(child)132}133const removeChildFromContainer = (parentInstance, child) => {134 if (logRenderCalls) log('removeChildFromContainer')135 // TODO undefined / placeholder136 parentInstance.root = new PlaceholderElement()137}138const resetTextContent = (instance) => {139 // Noop140}141const hostConfig = {142 getPublicInstance,143 getRootHostContext,144 getChildHostContext,145 prepareForCommit,146 resetAfterCommit,147 createInstance,148 appendInitialChild,149 finalizeInitialChildren,150 prepareUpdate,151 shouldSetTextContent,152 shouldDeprioritizeSubtree,153 createTextInstance,154 scheduleTimeout,155 cancelTimeout,156 noTimeout,157 now,158 isPrimaryRenderer,159 warnsIfNotActing,160 supportsMutation,161 appendChild,162 appendChildToContainer,163 commitTextUpdate,164 commitMount,165 commitUpdate,166 insertBefore,167 insertInContainerBefore,168 removeChild,169 removeChildFromContainer,170 resetTextContent,171}...

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index.js

Source:index.js Github

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...67 logger.info("getChildHostContext");68 return emptyObject;69 },70 scheduleDeferredCallback: ReactDOMFrameScheduling.rIC,71 shouldSetTextContent(type, props) {72 logger.info("shouldSetTextContent", type, props);73 return false;74 },75 // cancelDeferredCallback: ReactScheduler.cancelDeferredCallback,76 now: ReactDOMFrameScheduling.now,77 // The Konva renderer is secondary to the React DOM renderer.78 isPrimaryRenderer: false,79 supportsMutation: true,80 // useSyncScheduling: true,81 appendChild(parentInstance, child) {82 logger.info("appendChild", parentInstance, child);83 parentInstance.instance.add(child.instance);84 child._updatePicture();85 },...

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ReactFiberBeginWork.js

Source:ReactFiberBeginWork.js Github

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...36 const nextProps = workInProgress.pendingProps;//props.children37 let nextChildren = nextProps.children;38 //在react对于如果一个原生组件，它只有一个儿子，并且这个儿子是一个字符串的话，有一个优化39 //不会对此儿子创建一个fiber节点，而是把它当成一个属性来处理40 let isDirectTextChild = shouldSetTextContent(type, nextProps);41 if (isDirectTextChild) {42 nextChildren = null;43 }44 //处理子节点，根据老fiber和新的虚拟DOM进行对比，创建新的fiber树45 reconcileChildren(current, workInProgress, nextChildren);46 //返回第一个子fiber47 return workInProgress.child;48}49export function reconcileChildren(current, workInProgress, nextChildren) {50 //如果current有值，说明这是一类似于更新的作品51 if (current) {52 //进行比较 新老内容，得到差异进行更新53 workInProgress.child = reconcileChildFibers(54 workInProgress,//新fiber...

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ReactFiberHostContext-test.internal.js

Source:ReactFiberHostContext-test.internal.js Github

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1/**2 * Copyright (c) Facebook, Inc. and its affiliates.3 *4 * This source code is licensed under the MIT license found in the5 * LICENSE file in the root directory of this source tree.6 *7 * @emails react-core8 * @jest-environment node9 */10"use strict";11let React;12let ReactFiberReconciler;13let ConcurrentRoot;14describe("ReactFiberHostContext", () => {15 beforeEach(() => {16 jest.resetModules();17 React = require("react");18 ReactFiberReconciler = require("react-reconciler");19 ConcurrentRoot = require("react-reconciler/src/ReactRootTags");20 });21 it("works with null host context", () => {22 let creates = 0;23 const Renderer = ReactFiberReconciler({24 prepareForCommit: function () {25 return null;26 },27 resetAfterCommit: function () {},28 getRootHostContext: function () {29 return null;30 },31 getChildHostContext: function () {32 return null;33 },34 shouldSetTextContent: function () {35 return false;36 },37 createInstance: function () {38 creates++;39 },40 finalizeInitialChildren: function () {41 return null;42 },43 appendInitialChild: function () {44 return null;45 },46 now: function () {47 return 0;48 },49 appendChildToContainer: function () {50 return null;51 },52 clearContainer: function () {},53 supportsMutation: true,54 });55 const container = Renderer.createContainer(56 /* root: */ null,57 ConcurrentRoot,58 false,59 null60 );61 Renderer.updateContainer(62 <a>63 <b />64 </a>,65 container,66 /* parentComponent: */ null,67 /* callback: */ null68 );69 expect(creates).toBe(2);70 });71 it("should send the context to prepareForCommit and resetAfterCommit", () => {72 const rootContext = {};73 const Renderer = ReactFiberReconciler({74 prepareForCommit: function (hostContext) {75 expect(hostContext).toBe(rootContext);76 return null;77 },78 resetAfterCommit: function (hostContext) {79 expect(hostContext).toBe(rootContext);80 },81 getRootHostContext: function () {82 return null;83 },84 getChildHostContext: function () {85 return null;86 },87 shouldSetTextContent: function () {88 return false;89 },90 createInstance: function () {91 return null;92 },93 finalizeInitialChildren: function () {94 return null;95 },96 appendInitialChild: function () {97 return null;98 },99 now: function () {100 return 0;101 },102 appendChildToContainer: function () {103 return null;104 },105 clearContainer: function () {},106 supportsMutation: true,107 });108 const container = Renderer.createContainer(109 rootContext,110 ConcurrentRoot,111 false,112 null113 );114 Renderer.updateContainer(115 <a>116 <b />117 </a>,118 container,119 /* parentComponent: */ null,120 /* callback: */ null121 );122 });...

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SlackRenderer.js

Source:SlackRenderer.js Github

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...33 },34 getChildHostContext: function getChildHostContext() {35 return {};36 },37 shouldSetTextContent: function shouldSetTextContent(type, props) {38 return false;39 },40 now: Date.now,41 useSyncScheduling: true,42 mutation: {43 appendChild: function appendChild(parentInstance, child) {44 parentInstance.appendChild(child);45 child.parent = parentInstance;46 },47 appendChildToContainer: function appendChildToContainer(parentInstance, child) {48 parentInstance.appendChild(child);49 child.parent = parentInstance;50 },51 removeChild: noop,...

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ReactDOMHostConfig.dev.js

Source:ReactDOMHostConfig.dev.js Github

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...6exports.createInstance = createInstance;7exports.finalizeInitialChildren = finalizeInitialChildren;8var _ReactDOMComponent = require("./ReactDOMComponent");9//如果儿子只是一个数字或者字符串，就设置它的文本内容就行。不需要创建子fiber节点10function shouldSetTextContent(type, pendingProps) {11 return typeof pendingProps.children === 'string' || typeof pendingProps.children === 'number';12}13function createInstance(type) {14 return (0, _ReactDOMComponent.createElement)(type);15}16function finalizeInitialChildren(domElement, type, props) {17 (0, _ReactDOMComponent.setInitialProperties)(domElement, type, props);...

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Using AI Code Generation

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1const playwright = require('playwright');2const { shouldSetTextContent } = require('playwright/lib/internal/injected/shouldSetTextContent');3(async () => {4 const browser = await playwright.chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const element = await page.$('text=Learn more');8 const shouldSetText = await shouldSetTextContent(element);9 console.log(shouldSetText);10 await browser.close();11})();

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Using AI Code Generation

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1const { shouldSetTextContent } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');2const { parseHTML } = require('playwright/lib/server/supplements/recorder/recorderUtils.js');3const html = `<div>foo</div>`;4const node = parseHTML(html);5console.log(shouldSetTextContent(node));6const { shouldSetTextContent } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');7const { parseHTML } = require('playwright/lib/server/supplements/recorder/recorderUtils.js');8const html = `<div><span>foo</span></div>`;9const node = parseHTML(html);10console.log(shouldSetTextContent(node));11const { shouldSetTextContent } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');12const { parseHTML } = require('playwright/lib/server/supplements/recorder/recorderUtils.js');13const html = `<div></div>`;14const node = parseHTML(html);15console.log(shouldSetTextContent(node));16const { shouldSetTextContent } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');17const { parseHTML } = require('playwright/lib/server/supplements/recorder/recorderUtils.js');18const html = `<div><span>foo</span><span>bar</span></div>`;19const node = parseHTML(html);20console.log(shouldSetTextContent(node));21const { shouldSetTextContent } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');22const { parseHTML } = require('playwright/lib/server/supplements/recorder/recorderUtils.js');

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Using AI Code Generation

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1const { shouldSetTextContent } = require('playwright/lib/server/dom.js');2const { parseFragment } = require('playwright/lib/server/dom.js');3const { createDocument } = require('playwright/lib/server/dom.js');4const { parseHTML } = require('playwright/lib/server/dom.js');5const document = createDocument();6const fragment = parseHTML(document, 'Hello World');7console.log(shouldSetTextContent(fragment.firstChild));

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Using AI Code Generation

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1const { shouldSetTextContent } = require('playwright/lib/server/dom.js');2const { parse } = require('playwright/lib/server/common/html.js');3const { setInnerHTML } = require('playwright/lib/server/dom.js');4const { shouldSetTextContent } = require('playwright/lib/server/dom.js');5const { parse } = require('playwright/lib/server/common/html.js');6const { setInnerHTML } = require('playwright/lib/server/dom.js');7const html = `<div>Text</div>`;8const document = parse(html);9const div = document.body.firstChild;10setInnerHTML(div, `<span>Span</span>`);11const { parse } = require('playwright/lib/server/common/html.js');12const html = `<div>Text</div>`;13const document = parse(html);14const div = document.body.firstChild;15const { parse } = require('playwright/lib/server/common/html.js');16const { setInnerHTML } = require('playwright/lib/server/dom.js');17const html = `<div>Text</div>`;18const document = parse(html);19const div = document.body.firstChild;20setInnerHTML(div, `<span>Span</span>`);21const { parse } = require('playwright/lib/server/common/html.js');22const { setInnerHTML } = require('playwright/lib/server/dom.js');23const { getAttribute } = require('playwright/lib/server/dom.js');24const html = `<div>Text</div>`;25const document = parse(html);26const div = document.body.firstChild;27div.setAttribute('attr', 'value');28const { parse } = require('playwright/lib/server/common/html.js');29const { setInnerHTML } = require('playwright/lib/server/dom.js');30const { setAttribute

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Using AI Code Generation

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1const { shouldSetTextContent } = require('playwright/lib/internal/dom.js');2console.log(shouldSetTextContent('div', 'text'));3const { shouldSetTextContent } = require('playwright/lib/internal/dom.js');4console.log(shouldSetTextContent('div', 'text'));5const { shouldSetTextContent } = require('playwright/lib/internal/dom.js');6console.log(shouldSetTextContent('div', 'text'));7const { shouldSetTextContent } = require('playwright/lib/internal/dom.js');8console.log(shouldSetTextContent('div', 'text'));9const { shouldSetTextContent } = require('playwright/lib/internal/dom.js');10console.log(shouldSetTextContent('div', 'text'));11const { shouldSetTextContent } = require('playwright/lib/internal/dom.js');12console.log(shouldSetTextContent('div', 'text'));13const { shouldSetTextContent } = require('playwright/lib/internal/dom.js');14console.log(shouldSetTextContent('div', 'text'));15const { shouldSetTextContent } = require('playwright/lib/internal/dom.js');16console.log(shouldSetTextContent('div', 'text'));17const { shouldSetTextContent } = require('playwright/lib/internal/dom.js');18console.log(shouldSetTextContent('div', 'text'));19const { shouldSetTextContent } = require('playwright/lib/internal/dom.js');20console.log(shouldSetTextContent('div', 'text'));21const { shouldSetTextContent } = require('playwright/lib/internal/dom.js');22console.log(shouldSetTextContent('div', 'text'));23const { shouldSetTextContent } = require('playwright/lib/internal/dom.js');24console.log(shouldSetTextContent('div', 'text'));

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Using AI Code Generation

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1const playwright = require('playwright');2const { shouldSetTextContent } = require('playwright/lib/server/dom.js');3const { parseFragment } = require('playwright/lib/server/common/parser.js');4const html = `<div>hello</div>`;5const document = parseFragment(html);6const node = document.body.firstChild;7console.log(shouldSetTextContent(node));

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Using AI Code Generation

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1const { shouldSetTextContent } = require('playwright/lib/server/dom.js');2shouldSetTextContent(element);3const { shouldSetTextContent } = require('playwright/lib/server/dom.js');4shouldSetTextContent(element);5const { shouldSetTextContent } = require('playwright/lib/server/dom.js');6shouldSetTextContent(element);7const { shouldSetTextContent } = require('playwright/lib/server/dom.js');8shouldSetTextContent(element);9const { shouldSetTextContent } = require('playwright/lib/server/dom.js');10shouldSetTextContent(element);11const { shouldSetTextContent } = require('playwright/lib/server/dom.js');12shouldSetTextContent(element);13const { shouldSetTextContent } = require('playwright/lib/server/dom.js');14shouldSetTextContent(element);15const { shouldSetTextContent } = require('playwright/lib/server/dom.js');16shouldSetTextContent(element);17const { shouldSetTextContent } = require('playwright/lib/server/dom.js');18shouldSetTextContent(element);19const { shouldSetTextContent } = require('playwright/lib/server/dom.js');20shouldSetTextContent(element);21const { shouldSetTextContent } = require('playwright/lib/server/dom.js');

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Using AI Code Generation

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1const { shouldSetTextContent } = require('playwright/lib/server/dom.js');2const text = 'text to be tested';3const result = shouldSetTextContent(text);4console.log(result);5const { shouldSetTextContent } = require('playwright/lib/server/dom.js');6const text = ' ';7const result = shouldSetTextContent(text);8console.log(result);9const { shouldSetTextContent } = require('playwright/lib/server/dom.js');10const text = ' ';11const result = shouldSetTextContent(text);12console.log(result);13const { shouldSetTextContent } = require('playwright/lib/server/dom.js');14const text = ' ';15const result = shouldSetTextContent(text);16console.log(result);17const { shouldSetTextContent } = require('playwright/lib/server/dom.js');18const text = ' ';19const result = shouldSetTextContent(text);20console.log(result);21const { shouldSetTextContent } = require('playwright/lib/server/dom.js');22const text = ' ';23const result = shouldSetTextContent(text);24console.log(result);25const { shouldSetTextContent } = require('playwright/lib/server/dom.js');26const text = ' ';27const result = shouldSetTextContent(text);28console.log(result);29const { shouldSetTextContent } = require('playwright/lib/server/dom.js');30const text = ' ';31const result = shouldSetTextContent(text);32console.log(result);33const { shouldSetTextContent } = require('playwright/lib/server/dom.js');34const text = ' ';

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Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

  1. What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
  2. How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
  3. Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
  4. What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
  7. Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
  8. Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
  9. Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
  10. Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
  11. Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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